#include<stdio.h>
int main(){
	float Pie=3.14f;
	float fArea;
	float fRadius;
	puts("Enter the radius:");
	scanf("%f",&fRadius);
	fArea=2*fRadius*Pie;
	printf("The perimeter is:%.2f\n",fArea);
	fArea=4/3*(fRadius*fRadius*fRadius*Pie) ;
	printf("the volume is :%.2f\n",fArea);
	return 0;
}
